diff --git a/src/net/java/sip/communicator/impl/media/codec/audio/speex/JavaDecoder.java b/src/net/java/sip/communicator/impl/media/codec/audio/speex/JavaDecoder.java
index 6612a9e6c..eafdad8a9 100644
--- a/src/net/java/sip/communicator/impl/media/codec/audio/speex/JavaDecoder.java
+++ b/src/net/java/sip/communicator/impl/media/codec/audio/speex/JavaDecoder.java
@@ -23,35 +23,45 @@ public class JavaDecoder
     private Format lastFormat = null;
     private SpeexDecoder decoder = null;
 
+    /**
+     * Creates the decoder and inits supported input formats.
+     */
     public JavaDecoder()
     {
-        inputFormats = new Format[]
-            {
-            new AudioFormat(
-                Constants.SPEEX_RTP,
-                8000,
-                8,
-                1,
-                Format.NOT_SPECIFIED,
-                Format.NOT_SPECIFIED
-            )};
-
         supportedInputFormats = new AudioFormat[]
-            {
+        {
             new AudioFormat(Constants.SPEEX_RTP,
                             8000,
                             8,
                             1,
                             Format.NOT_SPECIFIED,
-                            Format.NOT_SPECIFIED)};
+                            Format.NOT_SPECIFIED),
+            new AudioFormat(Constants.SPEEX_RTP,
+                            16000,
+                            8,
+                            1,
+                            Format.NOT_SPECIFIED,
+                            Format.NOT_SPECIFIED),
+            new AudioFormat(Constants.SPEEX_RTP,
+                            32000,
+                            8,
+                            1,
+                            Format.NOT_SPECIFIED,
+                            Format.NOT_SPECIFIED)
+        };
+        inputFormats = supportedInputFormats;
 
         defaultOutputFormats = new AudioFormat[]
-            {
-            new AudioFormat(AudioFormat.LINEAR)};
+            {new AudioFormat(AudioFormat.LINEAR)};
 
         PLUGIN_NAME = "Speex Decoder";
     }
 
+    /**
+     * Returns the output format that matches the supplied input format.
+     * @param in
+     * @return
+     */
     protected Format[] getMatchingOutputFormats(Format in)
     {
         AudioFormat af = (AudioFormat) in;
@@ -71,10 +81,15 @@ protected Format[] getMatchingOutputFormats(Format in)
 
     }
 
-
+    /**
+     * Does nothing.
+     */
     public void open()
     {}
 
+    /**
+     * Does nothing.
+     */
     public void close()
     {}
 
@@ -84,12 +99,28 @@ private void initConverter(AudioFormat inFormat)
 
         decoder = new SpeexDecoder();
 
-        decoder.init(0,
-                     (int) (inFormat).getSampleRate(),
+        int sampleRate =
+            (int)inFormat.getSampleRate();
+
+        int band = JavaEncoder.NARROW_BAND;
+
+        if(sampleRate == 16000)
+            band = JavaEncoder.WIDE_BAND;
+        else if(sampleRate == 32000)
+            band = JavaEncoder.ULTRA_WIDE_BAND;
+
+        decoder.init(band,
+                     sampleRate,
                      inFormat.getChannels(),
                      false);
     }
 
+    /**
+     * Process the input and decodes it.
+     * @param inputBuffer the input data.
+     * @param outputBuffer the result data.
+     * @return state of the process.
+     */
     public int process(Buffer inputBuffer, Buffer outputBuffer)
     {
         if (!checkInputBuffer(inputBuffer))
diff --git a/src/net/java/sip/communicator/impl/media/codec/audio/speex/JavaEncoder.java b/src/net/java/sip/communicator/impl/media/codec/audio/speex/JavaEncoder.java
index b550c7fe2..a3356817f 100644
--- a/src/net/java/sip/communicator/impl/media/codec/audio/speex/JavaEncoder.java
+++ b/src/net/java/sip/communicator/impl/media/codec/audio/speex/JavaEncoder.java
@@ -22,14 +22,21 @@ public class JavaEncoder
 {
     private Format lastFormat = null;
 
-    private static int FRAME_SIZE = 320;
+    private int FRAME_SIZE = -1;
 
     private SpeexEncoder encoder = null;
 
+    final static int NARROW_BAND= 0;
+    final static int WIDE_BAND= 1;
+    final static int ULTRA_WIDE_BAND= 2;
+
+    /**
+     * Creates the encoder and init supported formats
+     */
     public JavaEncoder()
     {
         supportedInputFormats = new AudioFormat[]
-            {
+        {
             new AudioFormat(
                 AudioFormat.LINEAR,
                 8000,
@@ -37,7 +44,24 @@ public JavaEncoder()
                 1,
                 AudioFormat.LITTLE_ENDIAN, //isBigEndian(),
                 AudioFormat.SIGNED //isSigned());
-            )};
+            ),
+            new AudioFormat(
+                AudioFormat.LINEAR,
+                16000,
+                16,
+                1,
+                AudioFormat.LITTLE_ENDIAN, //isBigEndian(),
+                AudioFormat.SIGNED //isSigned());
+            ),
+            new AudioFormat(
+                AudioFormat.LINEAR,
+                32000,
+                16,
+                1,
+                AudioFormat.LITTLE_ENDIAN, //isBigEndian(),
+                AudioFormat.SIGNED //isSigned());
+            )
+            };
 
         defaultOutputFormats = new AudioFormat[]
             {new AudioFormat(Constants.SPEEX_RTP)};
@@ -45,6 +69,11 @@ public JavaEncoder()
         PLUGIN_NAME = "pcm to speex converter";
     }
 
+    /**
+     * Returns the output format that matches the supplied input format.
+     * @param in
+     * @return
+     */
     protected Format[] getMatchingOutputFormats(Format in)
     {
         AudioFormat af = (AudioFormat) in;
@@ -62,11 +91,17 @@ protected Format[] getMatchingOutputFormats(Format in)
         return supportedOutputFormats;
     }
 
-    public void open() throws ResourceUnavailableException
+    /**
+     * Does nothing.
+     */
+    public void open()
     {
 
     }
 
+    /**
+     * Does nothing.
+     */
     public void close()
     {
 
@@ -78,9 +113,32 @@ private void initConverter(AudioFormat inFormat)
 
         encoder = new SpeexEncoder();
 
-        encoder.init(0, 4, (int)inFormat.getSampleRate(), 1);
+        int sampleRate = 
+            (int)inFormat.getSampleRate();
+        
+        int band = NARROW_BAND;
+        FRAME_SIZE = 320;
+
+        if(sampleRate == 16000)
+        {
+            band = WIDE_BAND;
+            FRAME_SIZE = 640;
+        }
+        else if(sampleRate == 32000)
+        {
+            band = ULTRA_WIDE_BAND;
+            FRAME_SIZE = 1280;
+        }
+
+        encoder.init(band, 4, sampleRate, 1);
     }
 
+    /**
+     * Process the input and encodes it.
+     * @param inputBuffer the input data.
+     * @param outputBuffer the result data.
+     * @return state of the process.
+     */
     public int process(Buffer inputBuffer, Buffer outputBuffer)
     {
         if (!checkInputBuffer(inputBuffer))
diff --git a/src/net/java/sip/communicator/impl/neomedia/format/MediaFormatFactoryImpl.java b/src/net/java/sip/communicator/impl/neomedia/format/MediaFormatFactoryImpl.java
index 04207e5f7..c3922ab7c 100644
--- a/src/net/java/sip/communicator/impl/neomedia/format/MediaFormatFactoryImpl.java
+++ b/src/net/java/sip/communicator/impl/neomedia/format/MediaFormatFactoryImpl.java
@@ -353,8 +353,10 @@ private List<MediaFormat> getMatchingMediaFormats(
     {
         List<MediaFormat> supportedMediaFormats = new ArrayList<MediaFormat>();
 
+        // uses equalsIgnoreCase, as some clients transmit some of the codecs
+        // starting with capital letters
         for (MediaFormat mediaFormat : mediaFormats)
-            if (mediaFormat.getEncoding().equals(encoding)
+            if (mediaFormat.getEncoding().equalsIgnoreCase(encoding)
                     && ((CLOCK_RATE_NOT_SPECIFIED == clockRate)
                             || (mediaFormat.getClockRate() == clockRate)))
                 supportedMediaFormats.add(mediaFormat);